Blaupunkt Vc 172 6.5-Inch Two Way Component Speaker System- 2 way component, diameter 165 millimeters/6.5-inch Rated power- 100 watts, peak power- 400 watts Sensitivity 2.83 V/m- 92 Db, frequency response- 40-22000 Hz Impedance- 4 ohms, cone material- glass fibre